Incidental Mutation 'R1528:Atxn2'
ID 166349
Institutional Source Beutler Lab
Gene Symbol Atxn2
Ensembl Gene ENSMUSG00000042605
Gene Name ataxin 2
Synonyms 9630045M23Rik, ATX2, Sca2
MMRRC Submission 039568-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.783) question?
Stock # R1528 (G1)
Quality Score 225
Status Not validated
Chromosome 5
Chromosomal Location 121849672-121954372 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 121940171 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 982 (D982V)
Ref Sequence ENSEMBL: ENSMUSP00000056715 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000051950] [ENSMUST00000160462] [ENSMUST00000161064] [ENSMUST00000161159] [ENSMUST00000162327]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000051950
AA Change: D982V

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000056715
Gene: ENSMUSG00000042605
AA Change: D982V

DomainStartEndE-ValueType
low complexity region 32 42 N/A INTRINSIC
low complexity region 46 69 N/A INTRINSIC
low complexity region 93 116 N/A INTRINSIC
low complexity region 128 144 N/A INTRINSIC
low complexity region 168 219 N/A INTRINSIC
Pfam:SM-ATX 236 307 6.4e-23 PFAM
LsmAD 378 446 8.57e-25 SMART
low complexity region 520 540 N/A INTRINSIC
low complexity region 544 576 N/A INTRINSIC
low complexity region 685 705 N/A INTRINSIC
low complexity region 807 838 N/A INTRINSIC
low complexity region 864 879 N/A INTRINSIC
Pfam:PAM2 880 897 5.7e-9 PFAM
low complexity region 1128 1165 N/A INTRINSIC
low complexity region 1185 1196 N/A INTRINSIC
low complexity region 1245 1261 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159928
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160093
Predicted Effect probably benign
Transcript: ENSMUST00000160462
SMART Domains Protein: ENSMUSP00000124092
Gene: ENSMUSG00000042605

DomainStartEndE-ValueType
low complexity region 42 52 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000161064
AA Change: D673V

PolyPhen 2 Score 0.903 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000124070
Gene: ENSMUSG00000042605
AA Change: D673V

DomainStartEndE-ValueType
LsmAD 69 137 8.57e-25 SMART
low complexity region 211 231 N/A INTRINSIC
low complexity region 235 267 N/A INTRINSIC
low complexity region 376 396 N/A INTRINSIC
low complexity region 498 529 N/A INTRINSIC
low complexity region 555 570 N/A INTRINSIC
Pfam:PAM2 571 588 3.5e-9 PFAM
low complexity region 801 838 N/A INTRINSIC
low complexity region 858 869 N/A INTRINSIC
low complexity region 915 923 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000161159
SMART Domains Protein: ENSMUSP00000123833
Gene: ENSMUSG00000042605

DomainStartEndE-ValueType
low complexity region 74 111 N/A INTRINSIC
low complexity region 131 142 N/A INTRINSIC
low complexity region 188 196 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161872
Predicted Effect possibly damaging
Transcript: ENSMUST00000162327
AA Change: D376V

PolyPhen 2 Score 0.749 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000123784
Gene: ENSMUSG00000042605
AA Change: D376V

DomainStartEndE-ValueType
low complexity region 1 32 N/A INTRINSIC
low complexity region 58 73 N/A INTRINSIC
Pfam:PAM2 74 91 1.3e-9 PFAM
low complexity region 302 339 N/A INTRINSIC
low complexity region 359 370 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162459
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199451
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene belongs to a group of genes that is associated with microsatellite-expansion diseases, a class of neurological and neuromuscular disorders caused by expansion of short stretches of repetitive DNA. The protein encoded by this gene has two globular domains near the N-terminus, one of which contains a clathrin-mediated trans-Golgi signal and an endoplasmic reticulum exit signal. The encoded cytoplasmic protein localizes to the endoplasmic reticulum and plasma membrane, is involved in endocytosis, and modulates mTOR signals, modifying ribosomal translation and mitochondrial function. The N-terminal region of the protein contains a polyglutamine tract of 14-31 residues that can be expanded in the pathogenic state to 32-200 residues. Intermediate length expansions of this tract increase susceptibility to amyotrophic lateral sclerosis, while long expansions of this tract result in spinocerebellar ataxia-2, an autosomal-dominantly inherited, neurodegenerative disorder. Genome-wide association studies indicate that loss-of-function mutations in this gene may be associated with susceptibility to type I diabetes, obesity and hypertension. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2016]
PHENOTYPE: Homozygous mice exhibit an enlarged fat pad, hepatic steatosis and enlarged seminal vesicles. A mild defect in motor learning is seen, but no other notable behavioral or neurological defects are detectable. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610008E11Rik T A 10: 78,903,530 (GRCm39) Q262L possibly damaging Het
Abcg4 T C 9: 44,186,020 (GRCm39) Y617C probably damaging Het
Amph G A 13: 19,326,198 (GRCm39) V643M probably damaging Het
Ano1 T G 7: 144,149,303 (GRCm39) S853R probably damaging Het
Ap4e1 T A 2: 126,853,743 (GRCm39) S60R possibly damaging Het
Atp4b C A 8: 13,439,693 (GRCm39) K176N possibly damaging Het
Bcl2l13 T C 6: 120,847,755 (GRCm39) C136R possibly damaging Het
Bltp1 C T 3: 37,106,684 (GRCm39) H5005Y unknown Het
Cacna1i A G 15: 80,275,975 (GRCm39) probably null Het
Ccdc122 T A 14: 77,305,379 (GRCm39) V11D possibly damaging Het
Cdnf A G 2: 3,522,078 (GRCm39) D90G probably damaging Het
Cep104 T G 4: 154,078,965 (GRCm39) V323G probably benign Het
Chmp6 A G 11: 119,807,541 (GRCm39) D128G probably benign Het
Clec18a A T 8: 111,805,498 (GRCm39) M201K probably benign Het
Col11a1 A T 3: 114,010,644 (GRCm39) probably benign Het
Col6a4 A T 9: 105,952,419 (GRCm39) M493K probably damaging Het
Crygd A C 1: 65,102,216 (GRCm39) probably null Het
Dennd1c T C 17: 57,373,935 (GRCm39) T543A probably benign Het
Erbb4 A T 1: 68,117,741 (GRCm39) C891* probably null Het
Ercc5 A T 1: 44,217,401 (GRCm39) K915* probably null Het
Ercc6 A T 14: 32,240,979 (GRCm39) N168Y probably damaging Het
Esrp2 G T 8: 106,863,384 (GRCm39) P6T unknown Het
Exoc1 A G 5: 76,697,411 (GRCm39) K396R possibly damaging Het
Fat3 T A 9: 15,836,387 (GRCm39) Y4039F probably benign Het
Fcsk A T 8: 111,609,873 (GRCm39) L1047Q probably damaging Het
Fgf7 T A 2: 125,877,738 (GRCm39) M35K probably damaging Het
Fras1 G A 5: 96,784,678 (GRCm39) G887D probably damaging Het
Gbp4 A T 5: 105,269,658 (GRCm39) probably null Het
Homez A T 14: 55,095,162 (GRCm39) M182K probably benign Het
Hrnr G A 3: 93,230,101 (GRCm39) S113N possibly damaging Het
Ifit3b T G 19: 34,589,072 (GRCm39) S83A probably benign Het
Ildr2 A G 1: 166,098,064 (GRCm39) probably null Het
Klhdc1 A T 12: 69,309,972 (GRCm39) R291S probably benign Het
Krt77 T A 15: 101,769,523 (GRCm39) I413F probably damaging Het
Lipn A G 19: 34,046,070 (GRCm39) I14M probably damaging Het
Macf1 T G 4: 123,369,807 (GRCm39) R86S probably benign Het
Mroh8 C A 2: 157,071,975 (GRCm39) G510V probably damaging Het
Mycbp2 A T 14: 103,470,033 (GRCm39) D1255E possibly damaging Het
Nckap5 C T 1: 125,952,659 (GRCm39) V1234I possibly damaging Het
Nlrp9c T C 7: 26,081,723 (GRCm39) K668E probably damaging Het
Nod2 T C 8: 89,391,217 (GRCm39) M508T possibly damaging Het
Npffr1 A G 10: 61,450,016 (GRCm39) M97V possibly damaging Het
Nsd3 G A 8: 26,188,795 (GRCm39) V43M probably damaging Het
Nubp2 A G 17: 25,103,388 (GRCm39) V163A probably damaging Het
Oas1e A T 5: 120,926,054 (GRCm39) F338Y probably damaging Het
Oat C A 7: 132,165,998 (GRCm39) G196C probably damaging Het
Or4a69 C T 2: 89,312,897 (GRCm39) G194D probably damaging Het
Or52e8b A T 7: 104,673,971 (GRCm39) L72Q probably damaging Het
Or7a41 T C 10: 78,871,398 (GRCm39) L256P probably damaging Het
P2ry13 T C 3: 59,117,710 (GRCm39) T23A probably benign Het
Phf8-ps A G 17: 33,286,215 (GRCm39) S196P probably damaging Het
Pja2 C A 17: 64,616,217 (GRCm39) S226I possibly damaging Het
Pkhd1l1 T C 15: 44,390,120 (GRCm39) V1412A probably damaging Het
Plekhs1 T C 19: 56,468,427 (GRCm39) S332P probably damaging Het
Polr3e T A 7: 120,539,820 (GRCm39) N522K probably damaging Het
Prdm10 A G 9: 31,268,582 (GRCm39) T844A probably damaging Het
Ripk1 C T 13: 34,212,130 (GRCm39) P480L probably benign Het
Rnf139 T C 15: 58,771,064 (GRCm39) V363A probably damaging Het
Rnf19a A T 15: 36,265,801 (GRCm39) S99T possibly damaging Het
Rnf224 G A 2: 25,126,110 (GRCm39) T81I probably benign Het
Rpgrip1 T C 14: 52,349,681 (GRCm39) L23S probably benign Het
Setd5 T A 6: 113,098,699 (GRCm39) F758L probably damaging Het
Smlr1 C A 10: 25,411,976 (GRCm39) V4L possibly damaging Het
Snx1 T C 9: 66,016,825 (GRCm39) D34G probably damaging Het
Spaca5 A T X: 20,942,892 (GRCm39) T92S probably benign Het
Speer4f2 A G 5: 17,581,540 (GRCm39) T161A Het
Swi5 C A 2: 32,170,716 (GRCm39) probably null Het
Syne2 T A 12: 76,012,874 (GRCm39) D2689E probably benign Het
Tcof1 T A 18: 60,948,071 (GRCm39) K1299* probably null Het
Tmprss11e G A 5: 86,872,069 (GRCm39) T49I probably damaging Het
Tmx3 T A 18: 90,555,210 (GRCm39) V309D possibly damaging Het
Trim30b C G 7: 104,006,506 (GRCm39) V117L possibly damaging Het
Tsen2 C A 6: 115,536,989 (GRCm39) H248Q probably benign Het
Ttn T C 2: 76,567,412 (GRCm39) Y19500C probably damaging Het
Tubgcp2 A G 7: 139,613,696 (GRCm39) probably benign Het
Vwf A C 6: 125,585,254 (GRCm39) D712A possibly damaging Het
Wfdc2 A G 2: 164,407,828 (GRCm39) K166E probably damaging Het
Xrcc2 T C 5: 25,897,292 (GRCm39) D219G probably benign Het
Zc3h6 C T 2: 128,858,989 (GRCm39) P1007S probably benign Het
Zdhhc17 A T 10: 110,784,050 (GRCm39) probably null Het
Zfp369 T A 13: 65,439,979 (GRCm39) I221N probably damaging Het
Zfp655 A T 5: 145,181,411 (GRCm39) N423I probably damaging Het
Other mutations in Atxn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00656:Atxn2 APN 5 121,933,118 (GRCm39) missense probably benign 0.00
IGL00798:Atxn2 APN 5 121,933,298 (GRCm39) missense possibly damaging 0.58
IGL01518:Atxn2 APN 5 121,949,042 (GRCm39) missense probably damaging 1.00
IGL01737:Atxn2 APN 5 121,935,407 (GRCm39) missense probably damaging 0.98
IGL01832:Atxn2 APN 5 121,944,331 (GRCm39) nonsense probably null
IGL02122:Atxn2 APN 5 121,916,093 (GRCm39) missense probably damaging 1.00
IGL02333:Atxn2 APN 5 121,919,450 (GRCm39) missense probably damaging 1.00
IGL02742:Atxn2 APN 5 121,919,399 (GRCm39) missense possibly damaging 0.75
IGL03028:Atxn2 APN 5 121,948,972 (GRCm39) missense probably damaging 1.00
IGL03282:Atxn2 APN 5 121,923,298 (GRCm39) missense probably benign 0.00
R0387:Atxn2 UTSW 5 121,940,206 (GRCm39) missense possibly damaging 0.83
R0653:Atxn2 UTSW 5 121,910,841 (GRCm39) missense probably damaging 0.99
R0849:Atxn2 UTSW 5 121,885,484 (GRCm39) splice site probably null
R1305:Atxn2 UTSW 5 121,887,247 (GRCm39) missense probably damaging 1.00
R1440:Atxn2 UTSW 5 121,941,145 (GRCm39) critical splice donor site probably null
R1471:Atxn2 UTSW 5 121,924,437 (GRCm39) missense probably damaging 1.00
R1521:Atxn2 UTSW 5 121,917,654 (GRCm39) missense probably damaging 1.00
R1528:Atxn2 UTSW 5 121,951,593 (GRCm39) missense probably damaging 1.00
R2083:Atxn2 UTSW 5 121,922,069 (GRCm39) missense probably benign 0.00
R2197:Atxn2 UTSW 5 121,944,280 (GRCm39) splice site probably null
R2217:Atxn2 UTSW 5 121,941,140 (GRCm39) missense probably damaging 1.00
R2218:Atxn2 UTSW 5 121,941,140 (GRCm39) missense probably damaging 1.00
R2420:Atxn2 UTSW 5 121,940,142 (GRCm39) critical splice acceptor site probably null
R2421:Atxn2 UTSW 5 121,940,142 (GRCm39) critical splice acceptor site probably null
R2510:Atxn2 UTSW 5 121,919,456 (GRCm39) missense probably damaging 1.00
R3706:Atxn2 UTSW 5 121,923,931 (GRCm39) critical splice donor site probably null
R4604:Atxn2 UTSW 5 121,919,406 (GRCm39) missense probably damaging 1.00
R4852:Atxn2 UTSW 5 121,952,474 (GRCm39) missense probably damaging 0.97
R4914:Atxn2 UTSW 5 121,887,159 (GRCm39) missense probably damaging 1.00
R4982:Atxn2 UTSW 5 121,952,406 (GRCm39) missense possibly damaging 0.66
R5172:Atxn2 UTSW 5 121,933,098 (GRCm39) splice site probably null
R5213:Atxn2 UTSW 5 121,952,543 (GRCm39) splice site probably null
R5655:Atxn2 UTSW 5 121,885,489 (GRCm39) missense probably damaging 0.97
R5775:Atxn2 UTSW 5 121,951,512 (GRCm39) missense probably damaging 1.00
R5782:Atxn2 UTSW 5 121,935,373 (GRCm39) missense probably damaging 1.00
R6015:Atxn2 UTSW 5 121,949,055 (GRCm39) missense probably damaging 1.00
R6438:Atxn2 UTSW 5 121,917,495 (GRCm39) missense probably damaging 1.00
R6529:Atxn2 UTSW 5 121,949,677 (GRCm39) critical splice donor site probably null
R6659:Atxn2 UTSW 5 121,916,027 (GRCm39) missense probably benign 0.10
R6864:Atxn2 UTSW 5 121,917,557 (GRCm39) missense probably damaging 1.00
R7035:Atxn2 UTSW 5 121,949,530 (GRCm39) nonsense probably null
R7166:Atxn2 UTSW 5 121,934,460 (GRCm39) missense possibly damaging 0.90
R7253:Atxn2 UTSW 5 121,916,084 (GRCm39) missense probably damaging 1.00
R7257:Atxn2 UTSW 5 121,923,880 (GRCm39) missense possibly damaging 0.62
R7467:Atxn2 UTSW 5 121,940,330 (GRCm39) critical splice donor site probably null
R7544:Atxn2 UTSW 5 121,919,431 (GRCm39) missense probably damaging 1.00
R7648:Atxn2 UTSW 5 121,934,440 (GRCm39) missense probably damaging 0.99
R7883:Atxn2 UTSW 5 121,940,180 (GRCm39) missense possibly damaging 0.79
R8097:Atxn2 UTSW 5 121,887,286 (GRCm39) missense probably damaging 1.00
R8784:Atxn2 UTSW 5 121,933,091 (GRCm39) missense probably benign 0.00
R8835:Atxn2 UTSW 5 121,940,248 (GRCm39) missense possibly damaging 0.63
R8880:Atxn2 UTSW 5 121,948,973 (GRCm39) missense probably benign 0.24
R8983:Atxn2 UTSW 5 121,916,063 (GRCm39) missense probably damaging 1.00
R9254:Atxn2 UTSW 5 121,885,509 (GRCm39) missense probably damaging 1.00
R9332:Atxn2 UTSW 5 121,923,425 (GRCm39) missense probably damaging 1.00
R9379:Atxn2 UTSW 5 121,885,509 (GRCm39) missense probably damaging 1.00
R9412:Atxn2 UTSW 5 121,940,201 (GRCm39) missense possibly damaging 0.84
R9649:Atxn2 UTSW 5 121,949,055 (GRCm39) missense probably damaging 0.98
R9656:Atxn2 UTSW 5 121,922,061 (GRCm39) missense possibly damaging 0.78
X0028:Atxn2 UTSW 5 121,940,146 (GRCm39) missense probably benign 0.01
Z1176:Atxn2 UTSW 5 121,916,053 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGTCCCTTACCTGAAGCAAGTGGAG -3'
(R):5'- GCACAGCATACGGTTTACAACACG -3'

Sequencing Primer
(F):5'- GCAATGGCTCAAAGCAGC -3'
(R):5'- AGTGAAGTGAGTTAGGTTCCAC -3'
Posted On 2014-04-13